Cover for drinking container



FIG. 1 is a top and side plan view of a cover for drinking container showing the new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2;

FIG. 4 is a side plan view of the cover for drinking container;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a bottom and side plan view thereof. 

CLAIM The ornamental design for a cover for drinking container, as shown and described. 